CN108018006A - A kind of splicing adhesive - Google Patents
A kind of splicing adhesive Download PDFInfo
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- CN108018006A CN108018006A CN201711105761.3A CN201711105761A CN108018006A CN 108018006 A CN108018006 A CN 108018006A CN 201711105761 A CN201711105761 A CN 201711105761A CN 108018006 A CN108018006 A CN 108018006A
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- defoamer
- styrene
- splicing adhesive
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/24—Homopolymers or copolymers of amides or imides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
- C08F4/30—Inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/40—Redox systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/02—Homopolymers or copolymers of unsaturated alcohols
- C09J129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of splicing adhesive, belongs to adhesive field, measures by mass percentage, its component includes：Styrene-acrylic emulsion 20 30%, coarse whiting 20 30%, polyvinyl alcohol emulsions 13 20%, acrylate and vinyl acetate emulsion 9 15%, vinyl acetate ethylene copolymer emulsion 9 15%, water 5 9%, plasticizer 0.6 1.0%, defoamer 0.05 0.1%.The production technology safety of the splicing adhesive of this programme is easily realized, cost is low and the adhesion strength of splicing adhesive product is high, ageing resistance is strong, while has the preferable feature of environmental protection.
Description
Technical field
The present invention relates to adhesive field, is specifically related to a kind of splicing adhesive.
Background technology
Splicing adhesive refers to the adhesive for splicing the woodworks such as integrated timber, is suitable for non-structural material and structural wood collection
The jigsaw bonding become a useful person etc..Splicing adhesive main component is with relatively strong bond ability lotion and auxiliary material, in recent years, with people
Splicing adhesive Product Process and the lifting of quality requirement and the enhancing of environmental consciousness, safety of the people to splicing adhesive production technology
Adhesion strength, service life and the feature of environmental protection of property, low cost, ease for operation and splicing adhesive product propose the requirement of higher,
In the prior art, in the production process of splicing adhesive to contain oiliness raw material components, there are security risk and former material in production process more
Expect that cost is higher, some complex production processs using styrene-acrylic emulsion as the splicing adhesive of host agent, and ageing resistance is poor, it is strong to bond
Spend it is relatively low, meanwhile, existing splicing adhesive containing the volatile materials such as formaldehyde, can not meet indoor the needs of using more.
The content of the invention
In view of the deficiencies of the prior art, the technical problem to be solved in the present invention is to provide a kind of splicing adhesive, the spelling of this programme
The production technology safety of plate glue is easily realized, cost is low and the adhesion strength of splicing adhesive product is high, ageing resistance is strong, is had at the same time
The preferable feature of environmental protection.
To solve the above problems, the present invention provides following technical solution：A kind of splicing adhesive, it is characterised in that by quality
Percentage scale, its component include：Styrene-acrylic emulsion 20-30%, coarse whiting 20-30%, polyvinyl alcohol emulsions 13-20%, the breast of vinegar third
Liquid 9-15%, vinyl acetate-ethylene copolymerization emulsions (VAE) 9-15%, water 5-9%, plasticizer 0.6-1.0%, defoamer 0.05-
0.1%.
Technical scheme further includes：Measure by mass percentage, splicing adhesive component includes：Styrene-acrylic emulsion 25%,
Coarse whiting 25%, polyvinyl alcohol emulsions 16.5%, acrylate and vinyl acetate emulsion 12.5%, vinyl acetate-ethylene copolymerization emulsions 12.5%, water
7.62%, plasticizer 0.8%, defoamer 0.08%.
Copolymer of the styrene-acrylic emulsion category without plasticizer, adhesive property is superior, without organic solvent, no inflammable and explosive and murder by poisoning
Etc. component, as the host agent of splicing adhesive, meet environmental protection and safety requirements；Ultra-fine coarse whiting has excellent dispersiveness；Poly- second
Enol lotion cost is relatively low and adhesive property is more excellent, and heat-resistant stability is good, is conducive to improve the ageing resistance of splicing adhesive；Acetic acid
Ethylene-vinyl copolymer emulsion (VAE) has excellent film forming and water resistance, can significantly improve the water resistance of splicing adhesive.
Technical scheme further includes：The fineness of the coarse whiting is 2000 mesh, and the solid content of polyvinyl alcohol emulsions is
17%.
Technical scheme further includes：The plasticizer is dioctyl phthalate, phthalic acid two is different pungent
Ester, diisooctyl phthalate, diisononyl phthalate, dibutyl phthalate, diisobutyl phthalate,
Diethyl phthalate, dioctyl terephthalate, dioctyl adipate, one kind of di-n-octyl sebacate or combination, preferably
Dibutyl phthalate.
Technical scheme further includes, and the preparation method of the splicing adhesive, comprises the following steps：
(1) press above-mentioned each component mass fraction, by water, styrene-acrylic emulsion, polyvinyl alcohol emulsions, acrylate and vinyl acetate emulsion and vinyl acetate-
Ethylene copolymerization emulsions are added to stirred autoclave, and mixed liquor is obtained after stirring evenly；
(2) above-mentioned each component mass fraction is pressed, coarse whiting, plasticizer and defoamer are slowly uniformly added into mixing to step (1)
Close in liquid, the splicing adhesive that solid content is more than 50% is made after stirring evenly.
Technical scheme further includes：The styrene-acrylic emulsion includes the raw material of following mass fraction：Butyl acrylate
18-22%, styrene 15-19%, methyl methacrylate 3.5-5%, ethoxylated alkylphenol ammonium sulfate 0.1-0.3%, third
Olefin(e) acid 0.7-1.1%, N hydroxymethyl acrylamide 0.5-1.5%, Diacetone Acrylamide 0.1-0.5%, alkyl phenol polyoxy second
Alkene ether -100.02-0.08%, I 9-14% of water, II 0.5-1.5% of water, bottom material 20-30%, initiator 0.5-1.5%, catalyst
0.8-2%, chain terminating agent 0.1-0.5%, oxidant 3-7%, reducing agent 3-8%, crosslinking agent 0.5-2%, defoamer 0.5-
2.5%.
Technical scheme further includes：The styrene-acrylic emulsion includes the raw material of following mass fraction：Butyl acrylate
20.1%th, styrene 17.3%, methyl methacrylate 4.1%, ethoxylated alkylphenol ammonium sulfate (436#) 0.2%, propylene
Acid 0.9%, N hydroxymethyl acrylamide 1.0%, Diacetone Acrylamide 0.2%, alkylphenol polyoxyethylene ether -10 (op-10)
0.04%th, water I 11.8%, water II 1.1%, bottom material 26.66%, initiator 1.1%, catalyst 1.4%, chain terminating agent 0.2%,
Oxidant 5.3%, reducing agent 5.9%, crosslinking agent 1.2%, defoamer 1.5%.Wherein, alkylphenol polyoxyethylene ether -10 and second
Epoxide alkyl phenol ammonium sulfate is used as emulsifying agent, Diacetone Acrylamide, N hydroxymethyl acrylamide with crosslinker combination,
The interaction intensity and anti-aging property of lotion can be improved.
Technical scheme further includes, and the bottom material includes the component of following mass fraction：Sodium acid carbonate 0.2%,
Water 99.8%；
The initiator is the aqueous solution of ammonium persulfate, includes the component of following mass fraction：Ammonium persulfate 7.1%, water
92.9%；
The catalyst is the aqueous solution of ammonium persulfate, includes the component of following mass fraction：Ammonium persulfate 11.1%, water
88.9%；
The chain terminating agent is the aqueous solution of ammonium persulfate, includes the component of following mass fraction：Ammonium persulfate 12.3%, water
87.7%；
The oxidant is the aqueous solution of tert-butyl hydroperoxide, includes the component of following mass fraction：Tert-butyl hydroperoxide
5.0%, water 95.0%；
The reducing agent is two aqueous solutions for being hydrated sodium bisulphite formaldehydes, includes the component of following mass fraction：Two hydrations time
Sodium formaldehyde bisulfite 2.2%, water 97.8%；
The crosslinking agent is the aqueous solution of two hydrazine acid amides of adipic acid, includes the component of following mass fraction：Two hydrazine acid amides of adipic acid
17.2%, water 82.8%；
The defoamer is the aqueous solution of defoamer wba, includes the component of following mass fraction：Defoamer wba 0.9%, water
99.1%.
Technical scheme further includes, and the preparation method of the styrene-acrylic emulsion comprises the following steps：
(1) above-mentioned each material quality fraction is pressed, N hydroxymethyl acrylamide and Diacetone Acrylamide are dissolved in water II, obtained
To the pre- solution of crosslinking agent；
(2) press above-mentioned each material quality fraction, by water I, alkylphenol polyoxyethylene ether -10, ethoxylated alkylphenol ammonium sulfate,
Butyl acrylate, styrene, methyl methacrylate, the pre- solution of crosslinking agent of acrylic acid and step (1) be sequentially added into instead
Answer in kettle, be uniformly mixing to obtain pre-emulsification monomer；
(3) as seed monomer, the weight of the seed monomer accounts for pre- for pre-emulsification monomer in the step of weighing certain mass (2)
The 3-10% of emulsified monomer gross weight；
(4) bottom material is added in reaction kettle, is warming up to 80 DEG C -85 DEG C, after adding seed monomer and initiator, reaction is until blue light
Occur, obtain mixture A；
(5) by the temperature control of step (4) the mixture A at 75 DEG C -80 DEG C, reaction kettle rotating speed is controlled in 20-30r/min,
Start that pre-emulsification monomer is added dropwise, pre-emulsification monomer dropping flow is 230-280L/h, while adds catalyst, catalyst admixture frequency
Rate is at interval of 5-15min/ times, and catalyst charge is 1-1.5L/ times；
(6) reactor temperature is risen to after 95 DEG C and keeps the temperature 60min after the completion of pre-emulsification monomer dropping described in step (5), protected
70 DEG C -75 DEG C are cooled to after the completion of temperature, adds oxidant, the admixture frequency of the oxidant is the oxidant at interval of 2min/ times
Addition be 2L/ time, keep the temperature 30min after the completion of oxidant admixture, addition reducing agent, the admixture frequency of the reducing agent is every
Interval 2min/ times, the addition of reducing agent is 2L/ times, keeps the temperature 30min after the completion of reducing agent admixture, is mixed after the completion of insulation
Fit B；
(7) step (5) the mixture B temperature is down to 60 DEG C -65 DEG C, pH adjusting agent is added, by the pH value tune of mixture B
Save to 6.7-7.0；
(8) after the completion of step (7), the temperature of mixture B is down to 50 DEG C -55 DEG C, chain terminating agent and crosslinking agent is successively added, obtains
To mixture C, the admixture speed of the chain terminating agent and crosslinking agent is 1-1.5L/h；
(9) after the completion of step (8), the temperature of the mixture C is down to 45 DEG C -50 DEG C, and it is 10- to adjust reaction kettle rotating speed
20r/min, starts to fill defoamer, the admixture speed of the defoamer is 1-1.5L/h, after the completion of defoamer fills, is mixed
Fit D；
(10) temperature of the mixture D is down to 40 DEG C -45 DEG C, adds pH adjusting agent, by the pH value of mixture D adjust to
After 6.7-7.0, plastic emitting, weigh, and obtains styrene-acrylic emulsion.
Technical scheme further includes：The pH adjusting agent is ammonium hydroxide.
The beneficial effects of the invention are as follows：Compared with prior art, the purpose of this programme is to provide a kind of production technology safety
Easily realize, the splicing adhesive that cost is low, environmentally friendly and adhesion strength is high, ageing resistance is strong, to realize above technique effect, first,
The raw material components of the splicing adhesive of this programme are nontoxic, without aldehyde material, meet requirement of the people in terms of environmental protection；Secondly,
For this programme using styrene-acrylic emulsion, polyvinyl alcohol emulsions as host agent, the more existing common splicing adhesive of cost reduces about 30%；Again, as
The styrene-acrylic emulsion of this programme main binding component, its production process is entirely water-based, and no oily components, process safety is reliable, and its is whole
Body technology is simple, and nearly all technique is completed in same reaction kettle, and production process required temperature is relatively low, and technique is easy to real
It is existing；Again, styrene-acrylic emulsion adds Diacetone Acrylamide crosslinking agent in process of production, is crosslinked and makees in water-soluble polymer
With notable, the ageing resistance and adhesion strength of styrene-acrylic emulsion are remarkably improved, meanwhile, it is additionally added in styrene-acrylic emulsion preparation method
Two hydrazine acid amides crosslinking agent of adipic acid, it plays crosslinking in aqueous emulsion and water-soluble polymer crosslinking with Diacetone Acrylamide and makees
With can further improve the ageing resistance and adhesion strength of styrene-acrylic emulsion, and then improve the respective performances of splicing adhesive；Again
Secondary, compared with existing azo-type catalysts, catalyst, initiator used in this programme select environmentally friendly mistake
Ammonium sulfate, it is safer during use, and cost is relatively low.
Embodiment
Example below, is described in detail technical scheme.
Embodiment 1
A kind of splicing adhesive, splicing adhesive composition proportion are：Styrene-acrylic emulsion 25%, coarse whiting 25%, polyvinyl alcohol emulsions 16.5%, vinegar third
Lotion 12.5%, vinyl acetate-ethylene copolymerization emulsions 12.5%, water 7.62%, dibutyl carboxylic acid 0.8%, defoamer
0.08%.Wherein, the fineness of coarse whiting is 2000 mesh, and the solid content of polyvinyl alcohol emulsions is 17%.
The preparation method of splicing adhesive, comprises the following steps：
(1) said ratio is pressed, by water, styrene-acrylic emulsion, polyvinyl alcohol emulsions, acrylate and vinyl acetate emulsion and vinyl acetate-ethylene copolymerization emulsions
Add to stirred autoclave, mixed liquor is obtained after stirring evenly；
(2) said ratio is pressed, coarse whiting, plasticizer and defoamer are slowly uniformly added into the mixed liquor of step (1), stirring is equal
The splicing adhesive that obtained solid content is 54% after even.
In such scheme, the material fiting ratio of styrene-acrylic emulsion is：Butyl acrylate 20.1%, styrene 17.3%, methyl
Methyl acrylate 4.1%, ethoxylated alkylphenol ammonium sulfate (436#) 0.2%, acrylic acid 0.9%, N hydroxymethyl acrylamide
1.0%th, Diacetone Acrylamide 0.2%, alkylphenol polyoxyethylene ether -10 (op-10) 0.04%, water I 11.8%, water II
1.1%th, bottom material 26.66%, initiator 1.1%, catalyst 1.4%, chain terminating agent 0.2%, oxidant 5.3%, reducing agent
5.9%th, crosslinking agent 1.2%, defoamer 1.5%.
Bottom material is sodium bicarbonate aqueous solution：Wherein sodium acid carbonate 0.2%, water 99.8%；Initiator is the water of ammonium persulfate
Solution, wherein ammonium persulfate 7.1%, water 92.9%；Catalyst is the aqueous solution of ammonium persulfate, wherein ammonium persulfate 11.1%,
Water 88.9%；Chain terminating agent is the aqueous solution of ammonium persulfate, wherein ammonium persulfate 12.3%, water 87.7%；Oxidant is tertiary fourth
The aqueous solution of base hydrogen peroxide, wherein tert-butyl hydroperoxide 5.0%, water 95.0%；Reducing agent is two hydration sodium bisulphites
The aqueous solution of formaldehyde, wherein two hydration sodium bisulphite formaldehydes 2.2%, water 97.8%；Crosslinking agent is two hydrazine acid amides of adipic acid
Aqueous solution, wherein two hydrazine acid amides 17.2% of adipic acid, water 82.8%；Defoamer is the aqueous solution of defoamer wba, wherein defoamer
Wba 0.9%, water 99.1%.
The preparation method of styrene-acrylic emulsion is：
(1) above-mentioned each raw material proportioning is pressed, N hydroxymethyl acrylamide and Diacetone Acrylamide are dissolved in water II, handed over
Join the pre- solution of agent；
(2) above-mentioned each raw material proportioning is pressed, by water I, alkylphenol polyoxyethylene ether -10, ethoxylated alkylphenol ammonium sulfate, propylene
Acid butyl ester, styrene, methyl methacrylate, the pre- solution of crosslinking agent of acrylic acid and step (1) is sequentially added into and reaction kettle
In, it is uniformly mixing to obtain pre-emulsification monomer；
(3) the pre-emulsification monomer in the step of weighing certain mass (2) accounts for pre-emulsification as seed monomer, the weight of seed monomer
The 5% of total monomer weight；
(4) bottom material is added in reaction kettle, is warming up to 80 DEG C, after adding seed monomer and initiator, reaction occurs up to blue light,
Obtain mixture A；
(5) by the temperature control of step (4) the mixture A at 75 DEG C -80 DEG C, the control of reaction kettle rotating speed is in 25r/min, beginning
Pre-emulsification monomer is added dropwise, pre-emulsification monomer dropping flow is 230-280L/h, while adds catalyst, and catalyst admixture frequency is
At interval of 10min/ times, catalyst charge is 1L/ times；
(6) reactor temperature is risen to after 95 DEG C and keeps the temperature 60min after the completion of pre-emulsification monomer dropping described in step (5), protected
70 DEG C -75 DEG C are cooled to after the completion of temperature, adds oxidant, the admixture frequency of the oxidant is the oxidant at interval of 2min/ times
Addition be 2L/ time, keep the temperature 30min after the completion of oxidant admixture, addition reducing agent, the admixture frequency of the reducing agent is every
Interval 2min/ times, the addition of reducing agent is 2L/ times, keeps the temperature 30min after the completion of reducing agent admixture, is mixed after the completion of insulation
Fit B；
(7) step (5) the mixture B temperature is down to 60 DEG C, ammonium hydroxide is added as pH adjusting agent, by the pH of mixture B
Value is adjusted to 6.7-7.0；
(8) after the completion of step (7), the temperature of mixture B is down to 50 DEG C, chain terminating agent and crosslinking agent is successively added, is mixed
Fit C, the admixture speed of the chain terminating agent and crosslinking agent is 1-1.5L/h；
(9) after the completion of step (8), the temperature of the mixture C is down to 45 DEG C, and it is 15r/min to adjust reaction kettle rotating speed, is opened
Begin admixture defoamer, and the admixture speed of the defoamer is 1L/h, after the completion of defoamer fills, obtains mixture D；
(10) temperature of the mixture D is down to 40 DEG C, ammonium hydroxide is added as pH adjusting agent, by the pH value tune of mixture D
Save to 6.7-7.0, plastic emitting, weigh, and obtains styrene-acrylic emulsion.
The Testing index that styrene-acrylic emulsion is made is as shown in table 1.
1 styrene-acrylic emulsion Testing index of table
| Testing index | Measured value |
| PH value | 6.8 |
| Viscosity | 45cp(25℃) |
| Solid content | 49% |
Embodiment 2
A kind of splicing adhesive, splicing adhesive composition proportion are：Styrene-acrylic emulsion 20%, coarse whiting 26.5%, polyvinyl alcohol emulsions 20%, vinegar third
Lotion 12.5%, vinyl acetate-ethylene copolymerization emulsions 12.5%, water 7.62%, dibutyl carboxylic acid 0.8%, defoamer
0.08%.Wherein, the fineness of coarse whiting is 2000 mesh, and the solid content of polyvinyl alcohol emulsions is 17%.
The preparation method of splicing adhesive, comprises the following steps：
(1) said ratio is pressed, by water, styrene-acrylic emulsion, polyvinyl alcohol emulsions, acrylate and vinyl acetate emulsion and vinyl acetate-ethylene copolymerization emulsions
Add to stirred autoclave, mixed liquor is obtained after stirring evenly；
(2) said ratio is pressed, coarse whiting, plasticizer and defoamer are slowly uniformly added into the mixed liquor of step (1), stirring is equal
The splicing adhesive that obtained solid content is 55% after even.
The raw material proportioning and preparation method of this example styrene-acrylic emulsion are as described in Example 1.
Embodiment 3
A kind of splicing adhesive, splicing adhesive composition proportion are：Styrene-acrylic emulsion 30%, coarse whiting 23.5%, polyvinyl alcohol emulsions 13%, vinegar third
Lotion 12.5%, vinyl acetate-ethylene copolymerization emulsions 12.5%, water 7.62%, dibutyl carboxylic acid 0.8%, defoamer
0.08%.Wherein, the fineness of coarse whiting is 2000 mesh, and the solid content of polyvinyl alcohol emulsions is 17%.
The preparation method of splicing adhesive, comprises the following steps：
(1) said ratio is pressed, by water, styrene-acrylic emulsion, polyvinyl alcohol emulsions, acrylate and vinyl acetate emulsion and vinyl acetate-ethylene copolymerization emulsions
Add to stirred autoclave, mixed liquor is obtained after stirring evenly；
(2) said ratio is pressed, coarse whiting, plasticizer and defoamer are slowly uniformly added into the mixed liquor of step (1), stirring is equal
The splicing adhesive that obtained solid content is 53% after even.
The raw material proportioning and preparation method of this example styrene-acrylic emulsion are as described in Example 1.
Splicing adhesive made from three embodiments is tested for the property：
1, plate material：Manchurian ash, moisture content 9-12%, 30 centimetres long, 3 centimetres of money, 3 centimetres high, flatness error is no more than
0.1% centimetre.
2, technique：By splicing adhesive coated on the plate after polishing, the spread about 250g per square meter, 4 stock materials laminate,
Pressure 15kg/cm2, 25 DEG C of cold pressing 1h releases.
3, tested by LY/T1601-2002 methods, health 7 days, amputate two sections 5 centimetres of material, will be small after planing
Test specimen is put into boiling water, makes somebody a mere figurehead digestion 4h with wooden panel, taking-up test specimen is placed on continuous drying in 60 DEG C of constant temperature oven at once
18h, observes and tests glue-line cracking and tree lace cracking rate, test result such as table 2.
2 splicing adhesive performance test of table
The splicing adhesive test result of above-described embodiment shows that the Manchurian ash plate of three kinds of jigsaw gluing knots is without tree lace cracking feelings
Condition, shows that splicing adhesive made from this programme is heat-resisting, water-fast and adhesive property is stronger, and then reflects the anti-aging of this programme splicing adhesive
Performance is more excellent.
The splicing adhesive prepared by above example, preparation process safety is easily realized, cost is low and splicing adhesive product it is viscous
Knotting strength is high, ageing resistance is strong, meanwhile, raw materials are nontoxic, have the preferable feature of environmental protection.
Protection scope of the present invention is not limited only to examples detailed above, after the present invention has been read, those skilled in the art couple
The modification of the various same principles of the present invention falls within the application scope defined in the appended claims.
Claims (10)
1. a kind of splicing adhesive, it is characterised in that measure by mass percentage, its component includes：Styrene-acrylic emulsion 20-30%, coarse whiting
20-30%, polyvinyl alcohol emulsions 13-20%, acrylate and vinyl acetate emulsion 9-15%, vinyl acetate-ethylene copolymerization emulsions 9-15%, water 5-9%, increases
Mould agent 0.6-1.0%, defoamer 0.05-0.1%.
2. a kind of splicing adhesive as claimed in claim 1, it is characterised in that measure by mass percentage, its component includes：Phenylpropyl alcohol
Lotion 25%, coarse whiting 25%, polyvinyl alcohol emulsions 16.5%, acrylate and vinyl acetate emulsion 12.5%, vinyl acetate-ethylene copolymerization emulsions 12.5%, water
7.62%, plasticizer 0.8%, defoamer 0.08%.
3. splicing adhesive as claimed in claim 1, it is characterised in that the fineness of the coarse whiting is 1500-2200 mesh, the poly- second
The solid content of enol lotion is 15-20%.
4. splicing adhesive as claimed in claim 1, it is characterised in that the plasticizer is dioctyl phthalate, adjacent benzene two
Formic acid di-isooctyl, diisooctyl phthalate, diisononyl phthalate, dibutyl phthalate, O-phthalic
Sour diisobutyl ester, diethyl phthalate, dioctyl terephthalate, dioctyl adipate, one kind of di-n-octyl sebacate
Or combination, preferred dibutyl phthalate.
5. the preparation method of splicing adhesive as claimed in claim 1, it is characterised in that comprise the following steps：
（1）By each component mass fraction as claimed in claim 1, by water, styrene-acrylic emulsion, polyvinyl alcohol emulsions, acrylate and vinyl acetate emulsion
Added with vinyl acetate-ethylene copolymerization emulsions to stirred autoclave, mixed liquor is obtained after stirring evenly；
（2）By each component mass fraction as claimed in claim 1, by coarse whiting, plasticizer and defoamer be slowly uniformly added into
Step（1）Mixed liquor in, after stirring evenly be made solid content be more than 50% splicing adhesive.
6. splicing adhesive as claimed in claim 1, it is characterised in that the styrene-acrylic emulsion includes the raw material of following mass fraction：
Butyl acrylate 18-22%, styrene 15-19%, methyl methacrylate 3.5-5%, ethoxylated alkylphenol ammonium sulfate 0.1-
0.3%th, acrylic acid 0.7-1.1%, N hydroxymethyl acrylamide 0.5-1.5%, Diacetone Acrylamide 0.1-0.5%, alkyl phenol gather
- 10 0.02-0.08% of ethylene oxide ether, I 9-14% of water, II 0.5-1.5% of water, bottom material 20-30%, initiator 0.5-1.5 %, catalysis
Agent 0.8-2%, chain terminating agent 0.1-0.5%, oxidant 3-7%, reducing agent 3-8%, crosslinking agent 0.5-2%, defoamer 0.5-2.5%.
7. splicing adhesive as claimed in claim 6, it is characterised in that the styrene-acrylic emulsion includes the raw material of following mass fraction：
Butyl acrylate 20.1%, styrene 17.3%, methyl methacrylate 4.1%, ethoxylated alkylphenol ammonium sulfate 0.2%, propylene
Acid 0.9%, N hydroxymethyl acrylamide 1.0%, Diacetone Acrylamide 0.2%, alkylphenol polyoxyethylene ether -10 0.04%, water I
11.8%th, water II 1.1%, bottom material 26.66%, initiator 1.1%, catalyst 1.4%, chain terminating agent 0.2%, oxidant 5.3%, reduction
Agent 5.9%, crosslinking agent 1.2%, defoamer 1.5%.
8. splicing adhesive as claimed in claim 6, it is characterised in that the bottom material includes the component of following mass fraction：Carbonic acid
Hydrogen sodium 0.2%, water 99.8%；
The initiator is the aqueous solution of ammonium persulfate, includes the component of following mass fraction：Ammonium persulfate 7.1%, water 92.9%；
The catalyst is the aqueous solution of ammonium persulfate, includes the component of following mass fraction：Ammonium persulfate 11.1%, water
88.9%；
The chain terminating agent is the aqueous solution of ammonium persulfate, includes the component of following mass fraction：Ammonium persulfate 12.3%, water
87.7%；
The oxidant is the aqueous solution of tert-butyl hydroperoxide, includes the component of following mass fraction：Tert-butyl hydroperoxide
5.0%, water 95.0%；
The reducing agent is two aqueous solutions for being hydrated sodium bisulphite formaldehydes, includes the component of following mass fraction：Two hydrations time
Sodium formaldehyde bisulfite 2.2%, water 97.8%；
The crosslinking agent is the aqueous solution of two hydrazine acid amides of adipic acid, includes the component of following mass fraction：Two hydrazine acid amides of adipic acid
17.2%, water 82.8%；
The defoamer is the aqueous solution of defoamer wba, includes the component of following mass fraction：Defoamer wba 0.9%, water
99.1%。
9. splicing adhesive as claimed in claim 6, it is characterised in that the preparation method of the styrene-acrylic emulsion comprises the following steps：
（1）Each material quality fraction as described in claim 6, N hydroxymethyl acrylamide and Diacetone Acrylamide are dissolved
In water II, the pre- solution of crosslinking agent is obtained；
（2）Each material quality fraction as described in claim 6, by water I, alkylphenol polyoxyethylene ether -10, ethoxylated alkyl
Phenol ammonium sulfate, butyl acrylate, styrene, methyl methacrylate, acrylic acid and step（1）Crosslinking agent pre- solution order plus
Enter with reaction kettle, being uniformly mixing to obtain pre-emulsification monomer；
（3）The step of weighing certain mass（2）In pre-emulsification monomer as seed monomer, the weight of the seed monomer accounts for pre-
The 3-10% of emulsified monomer gross weight；
（4）Bottom material is added in reaction kettle, is warming up to 80 DEG C -85 DEG C, after adding seed monomer and initiator, reaction is until blue light
Occur, obtain mixture A；
（5）By step（4）At 75 DEG C -80 DEG C, reaction kettle rotating speed is controlled in 20-30r/min the temperature control of the mixture A,
Start that pre-emulsification monomer is added dropwise, pre-emulsification monomer dropping flow is 230-280L/h, while adds catalyst, catalyst admixture frequency
Rate is at interval of 5-15min/ times, and catalyst charge is 1-1.5L/ times；
（6）Step（5）Described in after the completion of pre-emulsification monomer dropping, keep the temperature 60min after reactor temperature is risen to 95 DEG C,
70 DEG C -75 DEG C are cooled to after the completion of insulation, adds oxidant, the admixture frequency of the oxidant is the oxidation at interval of 2min/ times
The addition of agent is 2L/ times, keeps the temperature 30min after the completion of oxidant admixture, adds reducing agent, the admixture frequency of the reducing agent is
At interval of 2min/ times, the addition of reducing agent is 2L/ times, keeps the temperature 30min after the completion of reducing agent admixture, is obtained after the completion of insulation
Mixture B；
（7）By step（5）The mixture B temperature is down to 60 DEG C -65 DEG C, pH adjusting agent is added, by the pH value tune of mixture B
Save to 6.7-7.0；
（8）Step（7）After the completion of, the temperature of mixture B is down to 50 DEG C -55 DEG C, chain terminating agent and crosslinking agent is successively added, obtains
To mixture C, the admixture speed of the chain terminating agent and crosslinking agent is 1-1.5L/h；
（9）Step（8）After the completion of, the temperature of the mixture C is down to 45 DEG C -50 DEG C, and it is 10- to adjust reaction kettle rotating speed
20r/min, starts to fill defoamer, the admixture speed of the defoamer is 1-1.5L/h, after the completion of defoamer fills, is mixed
Fit D；
（10）The temperature of the mixture D is down to 40 DEG C -45 DEG C, adds pH adjusting agent, by the pH value of mixture D adjust to
After 6.7-7.0, plastic emitting, weigh, and obtains styrene-acrylic emulsion.
10. splicing adhesive as claimed in claim 9, it is characterised in that the pH adjusting agent is ammonium hydroxide.
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| CN201711105761.3A CN108018006B (en) | 2017-11-10 | 2017-11-10 | Board splicing adhesive |
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| CN201711105761.3A CN108018006B (en) | 2017-11-10 | 2017-11-10 | Board splicing adhesive |
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| CN110982456A (en) * | 2019-12-24 | 2020-04-10 | 顶立新材料科技有限公司 | Lead-sticking pencil glue and preparation method thereof |
| CN111777974A (en) * | 2020-07-24 | 2020-10-16 | 三棵树涂料股份有限公司 | Modified polyvinyl acetate emulsion adhesive and preparation method thereof |
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